Fix some typos

include/spdlog/async.h

@@ -37,8 +37,7 @@ struct async_factory_impl {
     static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&...args) {
         auto &registry_inst = details::registry::instance();
 
-        // create global thread pool if not already exists..
-
+        // create global thread pool if not already exists
         auto &mutex = registry_inst.tp_mutex();
         std::lock_guard<std::recursive_mutex> tp_lock(mutex);
         auto tp = registry_inst.get_tp();

include/spdlog/async_logger.h

@@ -21,7 +21,7 @@ namespace spdlog {
 // Async overflow policy - block by default.
 enum class async_overflow_policy {
     block,           // Block until message can be enqueued
-    overrun_oldest,  // Discard oldest message in the queue if full when trying to
+    overrun_oldest,  // Discard the oldest message in the queue if full when trying to
                      // add new item.
     discard_new      // Discard new message if the queue is full when trying to add new item.
 };

include/spdlog/details/circular_q.h

@@ -32,7 +32,7 @@ public:
     circular_q &operator=(const circular_q &) = default;
 
     // move cannot be default,
-    // since we need to reset head_, tail_, etc to zero in the moved object
+    // since we need to reset head_, tail_, etc. to zero in the moved object
     circular_q(circular_q &&other) noexcept { copy_moveable(std::move(other)); }
 
     circular_q &operator=(circular_q &&other) noexcept {

include/spdlog/sinks/stdout_sinks.h

@@ -36,7 +36,7 @@ private:
     void flush_() override;
 #ifdef _WIN32
     HANDLE handle_;
-#endif  // WIN32
+#endif  // _WIN32
 };
 
 template <typename Mutex>